397473396 has 48 divisors (see below), whose sum is σ = 1024700544. Its totient is φ = 119274496.

The previous prime is 397473389. The next prime is 397473397. The reversal of 397473396 is 693374793.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397473397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37665 + ... + 47048.

It is an arithmetic number, because the mean of its divisors is an integer number (21347928).

Almost surely, 2^397473396 is an apocalyptic number.

It is an amenable number.

397473396 is an abundant number, since it is smaller than the sum of its proper divisors (627227148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397473396 is a wasteful number, since it uses less digits than its factorization.

397473396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84760 (or 84758 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 51.

The square root of 397473396 is about 19936.7348379819. The cubic root of 397473396 is about 735.2516737286.

The spelling of 397473396 in words is "three hundred ninety-seven million, four hundred seventy-three thousand, three hundred ninety-six".